I sometimes shave with a straight razor, and always use an old-fashioned brush and mug of soap.
I try to review every shaving soap I try. So far I have short reviews for over a two dozen shaving soaps. (Those reviews are totally affiliate-free and self-funded, by the way.)
The biggest thing I’ve learned doing this (besides the unfortunate fact that most soaps irritate my skin) is to always, always, always date anything you write. Tastes change with time. Soap formulations change with time. Availability and price change with time. Dates are hugely helpful at deciding if a bit of information is still relevant. Sadly, I learned this the hard way — most of my reviews are undated. When I claim that two soaps are both the “best” there’s no way to know which is the more informed superlative.
Here’s the short list of soaps I always try to have on hand (most-preferred first):